FPUS52 KKEY 270901 ZFPKEY Zone Forecasts for the Florida Keys National Weather Service Key West FL 401 AM EST Fri Feb 27 2026 FLZ076>078-280100- Monroe Upper Keys-Monroe Middle Keys-Monroe Lower Keys- Including the communities of Key Largo, Marathon, and Key West 401 AM EST Fri Feb 27 2026 .TODAY...Partly sunny. Highs near 80. East to southeast winds 5 to 10 mph. .TONIGHT...Partly cloudy with a slight chance of showers. Lows near 70. East to southeast winds decreasing to near 5 mph. Chance of rain 10 percent. .SATURDAY...Mostly sunny with a slight chance of showers. Highs near 80. Southeast winds near 5 mph. Chance of rain 10 percent. .SATURDAY NIGHT...Partly cloudy with a slight chance of showers. Lows in the upper 60s. Northeast winds near 5 mph. Chance of rain 20 percent. .SUNDAY...Mostly sunny with a slight chance of showers. Highs in the upper 70s. Northeast winds near 5 mph. Chance of rain 10 percent. .SUNDAY NIGHT...Partly cloudy with a slight chance of showers. Lows in the upper 60s. Chance of rain 20 percent. .MONDAY...Mostly sunny with a slight chance of showers. Highs near 80. Chance of rain 10 percent. .MONDAY NIGHT...Mostly clear with a slight chance of showers. Lows in the lower 70s. Chance of rain 20 percent. .TUESDAY...Mostly sunny with a slight chance of showers. Highs near 80. Chance of rain 10 percent. .TUESDAY NIGHT AND WEDNESDAY...Partly cloudy with a slight chance of showers. Lows in the lower 70s. Highs near 80. Chance of rain 20 percent. .WEDNESDAY NIGHT AND THURSDAY...Partly cloudy with a slight chance of showers. Lows in the lower 70s. Highs in the lower 80s. Chance of rain 20 percent. $$ AJP